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(tests): Add tst-wcpncpy.

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This commit is contained in:
Ulrich Drepper 2003-07-22 19:23:54 +00:00
parent 7e939b2198
commit bc55a0b897
3 changed files with 37 additions and 8 deletions
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4
wcsmbs/Makefile
View File

@ -1,4 +1,4 @@
# Copyright (C) 1995-2000, 2002 Free Software Foundation, Inc.
# Copyright (C) 1995-2000, 2002, 2003 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
# The GNU C Library is free software; you can redistribute it and/or
@ -40,7 +40,7 @@ routines := wcscat wcschr wcscmp wcscpy wcscspn wcsdup wcslen wcsncat \
wcsmbsload mbsrtowcs_l
tests := tst-wcstof wcsmbs-tst1 tst-wcsnlen tst-btowc tst-mbrtowc \
tst-wcrtomb
tst-wcrtomb tst-wcpncpy
include ../Rules

31
wcsmbs/tst-wcpncpy.c Normal file
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@ -0,0 +1,31 @@
/* Copyright (C) 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 2003.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <wchar.h>
int
main (void)
{
const wchar_t src[] = L"0";
wchar_t dest[10];
wmemset (dest, L'\0', 10);
wcpncpy (dest, src, 2);
return wcscmp (dest, src) != 0;
}

10
wcsmbs/wcpncpy.c
View File

@ -31,8 +31,6 @@ __wcpncpy (dest, src, n)
wint_t c;
wchar_t *const s = dest;
--dest;
if (n >= 4)
{
size_t n4 = n >> 2;
@ -40,19 +38,19 @@ __wcpncpy (dest, src, n)
for (;;)
{
c = *src++;
*++dest = c;
*dest++ = c;
if (c == L'\0')
break;
c = *src++;
*++dest = c;
*dest++ = c;
if (c == L'\0')
break;
c = *src++;
*++dest = c;
*dest++ = c;
if (c == L'\0')
break;
c = *src++;
*++dest = c;
*dest++ = c;
if (c == L'\0')
break;
if (--n4 == 0)